fenestra

play
noun fe·nes·tra \fə-ˈne-strə\

Definition of fenestra

plural

fenestrae

play \fə-ˈne-ˌstrē, -ˌtrī\
  1. 1 :  a small anatomical opening (as in a bone): such asa :  oval window —called also fenestra ova*lis play \-ō-ˈvā-ləs\, fenestra ves*tib*u*li play \-ve-ˈsti-byə-ˌlī\ b :  round window —called also fenestra coch*le*ae play \-ˈkä-klē-ˌē, -ˈkō-klē-ˌī\, fenestra ro*tun*da play \-rō-ˈtən-də\

  2. 2 :  an opening cut in bone

fenestral

play \fə-ˈne-strəl\ adjective

Recent Examples of fenestra from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fenestra'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of fenestra

New Latin, from Latin, window


Medical Dictionary

fenestra

play
noun fe·nes·tra \fə-ˈnes-trə\

Medical Definition of fenestra

plural

fenestrae

\-ˌtrē, -ˌtrī\play play
  1. 1:  a small anatomical opening (as in a bone): asa:  oval windowb:  round window

  2. 2a:  a small opening cut in bone :  window 2b:  a small opening in a surgical instrument (as an endoscope)

fenestral

\-trəl\play adjective

Learn More about fenestra


Seen and Heard

What made you want to look up fenestra? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

an incorrigible rascal

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!